BlogJJulian KöhnFounder & CEO, KopexaLinkedInJulian is founder and CEO of Kopexa, the European GRC platform for SMEs. He writes about ISO 27001, NIS2, DORA, and how mid-sized companies can build resilient information security programs without audit panic.ArticlesGuides & How-ToBuilding an ISMS: The Practical Guide From Excel to ISO 27001What is an ISMS? Who needs one? And what does no ISMS cost you? A practical guide comparing ISO 27001, BSI IT-Grundschutz, TISAX and NIS2, including fines, roles and a build-up plan.Julian Köhn·February 21, 2026